A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6320-00-681-1324
NSN 5975-01-208-9668
NSN 6620-01-116-3983
NSN 6240-00-177-0385
NSN 6105-01-458-7841
NSN 5975-00-193-9961
NSN 5895-01-119-7266
NSN 2925-01-569-5471
NSN 5990-01-304-7597
NSN 5835-01-158-6878
NSN 6145-01-279-1264
NSN 6145-00-929-3925